Effect of newer all-in-one irrigants on root dentin wettability and surface roughness – An in vitro study

Background: All-in-one irrigants introduced recently claim to impart added benefits for endodontic disinfection; however, their effects on root dentin need to be evaluated. Aims: The aim of the study was to evaluate the dentinal wettability and surface roughness of Triton and Twin Kleen irrigating solutions on root dentin. Materials and Methods: Eighty dentin blocks (6 mm × 6 mm) were prepared using middle root portion obtained by horizontal sectioning of forty single-rooted extracted human mandibular premolar teeth which were further mounted in acrylic blocks (4 cm × 4 cm) and were randomly allotted into four groups (n = 20) and subjected to 10 ml of experimental irrigating solutions for 5 min as follows, group 1: normal saline (Control), group 2: 5.25% sodium hypochlorite (NaOCl) +17% ethylenediaminetetraacetic acid (EDTA), group 3: Triton, and group 4: Twin Kleen. Half of the specimens in each group (n = 10) were tested for wettability by using goniometer, and another half (n = 10) were subjected to surface roughness using atomic force microscopy. Statistical Analysis: One-way analysis of variance and post hoc Tukey test ( P ≤ 0.05). Results: Group 3 exhibited the highest wettability followed by group 4, group 2 and least in group 1 (control group). Surface roughness was found to be highest in group 2 followed by group 3, group 4 and least in group 1. Conclusion: Triton and Twin Kleen have shown better wettability and less surface roughness compared to 17% EDTA and 5.25% NaOCl.